Ardesia helps you make colored free-hand annotations on your computer screen, record them, and share them on the network. You can use the tool to make effective on-screen presentations, highlight things, or point out things of interest. It facilitates online presentations and demos, showing in real time your computer screen to anyone in the network. You can use this tool to enhance your lessons or courses. You can create nice tutorials and documentation, saving the desktop images with your free hand annotations. It works with any pointing device. You can draw lines with different strength, select color, erase things, and draw arrows. You can free-hand draw geometrical shapes using the shape recognizer, insert text with the keyboard, and highlight screen areas. You can draw upon the desktop or select an image as a background.

BBSzilla is an extension for Mozilla-based browsers such as
the Mozilla Application Suite and Firefox. It gives the browser
the ability to connect to Bulletin Board Systems that utilize
TCP/IP, such as Hotline servers. There is functionality for
multi-user chat, single-user messaging, as well as server-side and P2P file sharing, threaded news, single-thread
bulletins, and more.

BigBlueButton is a Web conferencing system that focuses on usability, modularity, and clean design, both for the user and developer. It implements real-time sharing of voice, Web cams, desktops, slides, and chat messages to provide remote students with a high-quality learning experience. Unlike other conferencing systems, the desktop sharing works on Mac OS X, Unix, and PC computers, and there is no hard-coded limit on the number of simultaneous Web cams.

Browser CRM is a Web-based suite combining
integrated email functionality with flexible and
powerful CRM (customer relationship management)
and collaboration tools. Browser CRM is a single,
comprehensive application that is accessible from
anywhere. Browser CRM logs incoming and outgoing
email against the customer record to build a
complete customer history along with other Browser
CRM events including Opportunities, Tasks,
Appointments, Memos, Documents, and custom events.

CELT (Constrained Energy Lapped Transform) is an
ultra-low delay audio codec designed for realtime
transmission of high quality speech and audio.
This is meant to close the gap between traditional
speech codecs (such as Speex) and traditional
audio codecs (such as Vorbis).

COCANWIKI is a full-featured Wiki and content management
system. It has many unique features not found in any other
Wikis including live preview when editing, advanced
navigation (including the ability to follow links in both
directions), PIM/calendar extensions, user permissions,
customisable page layouts, virtual hosting (handling more
than one Wiki per server), search, anti-spam, and email
notifications.